<template>
  <div>这里是About</div>
</template>

<script setup>
import { onMounted, onUnmounted } from 'vue'

onMounted(() => {
  console.log('onMounted,About挂载了')
})

onUnmounted(() => {
  console.log('About卸载了')
})
</script>

<style lang="scss" scoped></style>
